FORCE SENSOR - NIDEC COPAL ELECTRONICS CORP

Title:

FORCE SENSOR

Document Type and Number:

WIPO Patent Application WO/2018/055865

Kind Code:

A1

Abstract:

A force sensor, wherein a cylindrical movable body 12 is configured to be capable of motion with respect to a cylindrical main body 11. A strain body 16 is fixed to the main body and the movable body, and is configured so as to be able to deform in accordance with motion of the movable body 12. A distortion sensor 26 is provided to the strain body. The movable body 12 has at least three circular openings 13 at equal intervals on the periphery thereof. Stoppers 14 are disposed inside the openings 13, and each stopper 14 has a first side surface 14a having a first outside diameter smaller than the diameter of the openings 13, and a second side surface 14b having a second outside diameter smaller than the first diameter. Fixing members 15 fix the stoppers 14 to the main body 11.

Inventors:

SUZUKI TAKASHI (JP)
IKEDA TAKAO (JP)

Application Number:

PCT/JP2017/024020

Publication Date:

March 29, 2018

Filing Date:

June 29, 2017

Export Citation:

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Assignee:

NIDEC COPAL ELECTRONICS CORP (JP)

International Classes:

G01L5/16; G01L1/26

Foreign References:

JPS6468630A	1989-03-14
JP2010008343A	2010-01-14
JP3168179U	2011-06-02
US20090259412A1	2009-10-15

Other References: